Male Sore Nipples

My husband is experiencing sore nipples. What could be the cause? Is there an herbal remedy to help him?

Men sometimes experience sore nipples from sweat, the resulting salt, and rubbing against clothing. This is particularly common in athletes. If this is likely your husband's problem, he can protect his nipples with vaseline, and ask at a sportswear store about a shirt that will wick away moisture.
If this is not his problem, I advise you to consult with your health care practitioner.